This is a Lower Tanana Athabascan place name that derives from words troth, meaning 'Indian potato' or 'wild potato' (Hedysarum alpinum) and yeddha', meaning 'ridge'.
Leontopodium alpinum | Lyceum Alpinum Zuoz | Ribes alpinum | Phleum alpinum | Parthenium alpinum | Papaver alpinum | Hedysarum coronarium | Hedysarum alpinum | An alpinum adjacent to the King's House on Schachen |